Home / 8,531.72-11,739.66-6,541.52

Finding the Fourth Proportional to 8,531.72, 11,739.66 and 6,541.52

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Solution

The fourth proportional to 8,531.72, 11,739.66 and 6,541.52 is: 9,001.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.72 : 11,739.66 = 6,541.52 : x
  2. Step 2: Convert to fraction form
    8,531.72/11,739.66 = 6,541.52/x
  3. Step 3: Cross multiply
    8,531.72x = 11,739.66 × 6,541.52
  4. Step 4: Simplify right side
    8,531.72x = 76,795,220.68
  5. Step 5: Solve for x
    x = 76,795,220.68/8,531.72
  6. Step 6: Final answer
    x = 9,001.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.